Home / 127,684.64-176,203.38-70,322.87

Finding the Fourth Proportional to 127,684.64, 176,203.38 and 70,322.87

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Solution

The fourth proportional to 127,684.64, 176,203.38 and 70,322.87 is: 97,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684.64 : 176,203.38 = 70,322.87 : x
  2. Step 2: Convert to fraction form
    127,684.64/176,203.38 = 70,322.87/x
  3. Step 3: Cross multiply
    127,684.64x = 176,203.38 × 70,322.87
  4. Step 4: Simplify right side
    127,684.64x = 12,391,128,089.52
  5. Step 5: Solve for x
    x = 12,391,128,089.52/127,684.64
  6. Step 6: Final answer
    x = 97,044.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.